Introducing better compression of images and animations would be another small step fighting climate change. Less data, less transfer, less energy consumption!
https://www.dw.com/en/is-netflix-bad-for-the-environment-how...
https://www.dw.com/en/is-netflix-bad-for-the-environment-how...
See the responsive part in https://flif.info/example.html
We can imagine decoding taking into account battery save mode, bandwidth save mode...